InChI=1/C9H9N9OS/c10-1-4(6-15-7(11)17-8(12)16-6)5(19)2-20-9-13-3-14-18-9/h3-4H,2H2,(H,13,14,18)(H4,11,12,15,16,17)/t4-/m0/s1/f/h18H,11-12H2 9217469AEAF90B12